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6761600: Use sse 4.2 in intrinsics

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Use SSE 4.2 in intrinsics for String.{compareTo/equals/indexOf} and Arrays.equals.

Reviewed-by: kvn, never, jrose
This commit is contained in:
Changpeng Fang 2009-03-31 14:07:08 -07:00
parent aee9449305
commit c0d62ad9e6
18 changed files with 1297 additions and 192 deletions
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26
hotspot/src/share/vm/opto/memnode.cpp
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@ -2481,6 +2481,31 @@ Node *StrCompNode::Ideal(PhaseGVN *phase, bool can_reshape){
return remove_dead_region(phase, can_reshape) ? this : NULL;
}
// Do we match on this edge? No memory edges
uint StrEqualsNode::match_edge(uint idx) const {
return idx == 5 || idx == 6;
}
//------------------------------Ideal------------------------------------------
// Return a node which is more "ideal" than the current node. Strip out
// control copies
Node *StrEqualsNode::Ideal(PhaseGVN *phase, bool can_reshape){
return remove_dead_region(phase, can_reshape) ? this : NULL;
}
//=============================================================================
// Do we match on this edge? No memory edges
uint StrIndexOfNode::match_edge(uint idx) const {
return idx == 5 || idx == 6;
}
//------------------------------Ideal------------------------------------------
// Return a node which is more "ideal" than the current node. Strip out
// control copies
Node *StrIndexOfNode::Ideal(PhaseGVN *phase, bool can_reshape){
return remove_dead_region(phase, can_reshape) ? this : NULL;
}
//------------------------------Ideal------------------------------------------
// Return a node which is more "ideal" than the current node. Strip out
// control copies
@ -2488,7 +2513,6 @@ Node *AryEqNode::Ideal(PhaseGVN *phase, bool can_reshape){
return remove_dead_region(phase, can_reshape) ? this : NULL;
}
//=============================================================================
MemBarNode::MemBarNode(Compile* C, int alias_idx, Node* precedent)
: MultiNode(TypeFunc::Parms + (precedent == NULL? 0: 1)),